Hey Jack and Andrew

You were right. I literarily had one “Gateway In” block. I removed it and now 
my design compiles. 

Thank you for your help! I really appreciate it. 

Heystek 



> On 11 Aug 2020, at 16:51, Jack Hickish <[email protected]> wrote:
> 
> Hi Heystek,
> 
> Somewhere in your design -- presumably outside the screenshot you just sent 
> or inside one of your blocks -- you have a "Gateway In" block. This isn't 
> allowed (when you compile the design, the toolflow doesn't know what to drive 
> it with). If you find and delete this block, I think you'll be good to go.
> 
> Cheers
> Jack
> 
> On Tue, 11 Aug 2020 at 14:39, Heystek Grobler <[email protected] 
> <mailto:[email protected]>> wrote:
> Hey James
> 
> Below is a snipped:
> 
> <Screenshot from 2020-08-11 15:36:10.png>
> 
>> On 11 Aug 2020, at 15:24, James Smith <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Send a screen snip of what you've got, Heystek?
>> 
>> On Tue, Aug 11, 2020 at 1:22 PM Heystek Grobler <[email protected] 
>> <mailto:[email protected]>> wrote:
>> Hey James and Mugundhan
>> 
>> Thank you for your emails. 
>> 
>> Yes, I have a Shared BRAM block in my design. The BRAM block is from the 
>> casper blockset. So I should rather use something else for the design?
>> 
>>> On 11 Aug 2020, at 15:03, James Smith <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> Hello Heystek,
>>> 
>>> Somewhere in your design, you are trying to use a Xilinx block as an input. 
>>> Replace it with one of the yellow blocks from the Casper tools, and you 
>>> should be okay. (Usually this will be a software register or a BRAM block.)
>>> 
>>> Regards,
>>> James
>>> 
>>> 
>>> On Tue, Aug 11, 2020 at 12:54 PM Heystek Grobler <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> Good day everyone
>>> 
>>> I am compiling a design for Roach2. I can into this error when running 
>>> casper_xps:
>>> 
>>> "xilinx input gateways cannot be used in a design. Only gpio blocks”
>>> 
>>> How can I solve this or am I doing something stupid?
>>> 
>>> Thanks for the help
>>> 
>>> Heystek 
>>> 
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